Unit 1
Unit 2
Unit 3
Unit 4
Unit 5
100
What is the atomic number of hydrogen?
1
100
Which of the following is a polar covalent compound? O2, HCl, NaCl, CH4
HCl
100
What type of intermolecular bond is the strongest?
Hydrogen bond
100
What is the role of a catalyst in a reaction?
Speed up the reaction without being consumed
100
If Q is greater than K, what happens?
The reaction will shift to the left, towards the reactants, to reach equilibrium.
200
What is the correct electron configuration for oxygen?
1s² 2s² 2p⁴
200
What is the formula for Glucose
C6H12O6
200
What is the percent composition of hydrogen in water (H2O)?
11.2%
200
What is a redox reaction?
A reaction where one chemical is oxidized and one is reduced
200
Whose law is used to predict the effect of a change in conditions on chemical equilibrium?
Le Chatelier's Principle
300
What is the molar mass of H2SO4 (Sulfuric Acid)?
98 g/mol
300
What is the bond angle in a molecule with a tetrahedral geometry?
109.5
300
What state of matter has the highest average kinetic energy?
Ganseous state
300
What is the oxidation state of sulfur in H2SO4?
+6
300
What is the effect of increasing the concentration of reactants on the reaction rate?
Increase the rate
400
What is Avagadro’s Number?
400
What is the hybridization of the C molecule in CH4?
sp3
400
What is the molar volume of an ideal gas at STP?
22.4 L
400
What is the limiting reactant in a reaction?
It is the reactant that is completely consumed first, thereby limiting the amount of product that can be formed
400
What is true about the relationship between reaction rate and temperature?
As one increases/decreases, the other increases/decreases
500
What is the empirical formula of a compound with 40% carbon, 6.7% hydrogen, and 53.3% oxygen by mass?
CH₂O
500
What is the shape of a molecule with a steric number of 4 with no lone pairs?
Tetrahedral shape
500
A gas occupies 2.50 L at 1.00 atm. If the pressure is increased to 2.00 atm while the temperature remains constant, what is the new volume?
1.25 L
500
What is the oxidation state of oxygen in most compounds?
-2
500
What happens to the reaction rate when the activation energy is lowered?
The reaction rate will speed up